/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box; /* 统一盒模型 */
}

ul, ol {
    list-style: none;
}

img {
    display: block;
}

a {
    text-decoration: none;
    color: #646464;
}

h1, h2, h3 {
    font-size: 16px;
}

body {
    font-family: Arial, sans-serif; /* 添加备用字体 */
}

/* 浮动和清除浮动 */
.l {
    float: left;
}

.r {
    float: right;
}

.clear:after {
    content: "";
    display: table;
    clear: both;
}

/* 容器 */
.container {
    width: 1080px;
    margin: 0 auto;
    position: relative;
}

.container-fluid {
    width: 100%;
}

/* 头部 */
#head {
    height: 81px;
}

#head .head_logo {
    width: 162px;
    height: 44px;
    margin-top: 19px;
}

#head .head_menu {
    font-size: 14px;
    line-height: 81px;
}

#head .head_menu li {
    float: left;
    margin-left: 58px;
}

/* 导航栏链接默认样式 */
#head .head_menu a {
    text-decoration: none; /* 默认不显示下划线 */
    color: #646464;
}

/* 导航栏链接鼠标悬停时显示下划线 */
#head .head_menu a:hover {
    text-decoration: underline; /* 鼠标悬停时显示下划线 */
}

/* 轮播图 */
#banner {
    position: relative;
}

#banner .banner_list {
    width: 100%;
    height: 469px;
    position: relative;
}

#banner .banner_list li {
    width: 100%;
    height: 100%;
    background: center 0 no-repeat;
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
    z-index: 1;
}

#banner .banner_list li.active {
    opacity: 1;
    z-index: 10;
}

#banner .banner_list a {
    display: block;
    width: 100%;
    height: 100%;
}

#banner .banner_btn {
    width: 100%;
    position: absolute;
    bottom: 39px;
    left: 0;
    z-index: 20;
    font-size: 0;
    text-align: center;
}

#banner .banner_btn li {
    display: inline-block;
    width: 12px;
    height: 12px;
    border: 2px solid white;
    border-radius: 50%;
    margin: 0 6px;
    cursor: pointer;
}

#banner .banner_btn li.active {
    background: white;
}

/* 服务 */
#service {
    overflow: hidden;
    min-height: 407px;
}

#service .area_title {
    margin-top: 61px;
    text-align: center;
}

#service .area_title p {
    font-size: 14px;
    line-height: 34px;
    color: #9f9f9f;
}

#service .area_title h2 {
    font-size: 20px;
    line-height: 20px;
    height: 20px;
    color: #363636;
    font-weight: normal;
}

#service .service_list {
    text-align: center;
    margin-top: 34px;
}

#service .service_list li {
    float: left;
    width: 250px;
    margin: 0 10px;
}

#service .service_list div {
    width: 102px;
    height: 102px;
    margin: 0 auto;
    background-image: url(../image/mini_ico.png);
}

#service .service_list h3 {
    font-size: 18px;
    color: #434343;
    line-height: 36px;
    margin-top: 25px;
}

#service .service_list p {
    font-size: 14px;
    color: #6d6d6d;
    line-height: 22px;
}

/* 案例 */
#case {
    background-color: #f8f8f8;
}

#case .container {
    min-height: 460px;
    overflow: hidden;
}

#case .area_title {
    margin-top: 55px;
    text-align: center;
}

#case .area_title h2 {
    color: #66C5B4;
}

#case .case_list {
    margin-top: 28px;
}

#case .case_list li {
    float: left;
    width: 340px;
    margin: 0 10px;
}

#case .case_btn {
    width: 176px;
    height: 37px;
    background-color: #66C5B4;
    margin: 0 auto;
    border-radius: 25px;
    line-height: 37px;
    text-align: center;
    font-size: 14px;
    margin-top: 36px;
}

#case .case_btn a {
    display: block;
    width: 100%;
    height: 100%;
    color: white;
}

/* 新闻 */
#news {
    min-height: 450px;
    overflow: hidden;
}

#news .area_title {
    margin-top: 65px;
    text-align: center;
}

#news dl {
    margin-top: 48px;
}

#news dt {
    width: 234px;
}

#news dd {
    width: 846px;
}

#news .news_list {
    width: 100%;
}

#news .news_list li {
    width: 50%;
    float: left;
    margin-bottom: 48px;
}

#news .news_date {
    width: 70px;
    height: 70px;
    border-right: 2px solid #dcdcdc;
    text-align: center;
}

#news .news_date i {
    font-size: 39px;
    color: #66C5B4;
    display: block;
    font-weight: bold;
}

#news .news_date span {
    color: #999999;
    font-size: 20px;
    line-height: 36px;
}

#news .news_text {
    width: 310px;
    margin-left: 20px;
}

#news .news_text h3 {
    font-size: 14px;
}

#news .news_text h3 a {
    color: #3f3f3f;
}

#news .news_text p {
    color: #4a4a4a;
    font-size: 12px;
    line-height: 21px;
    margin-top: 17px;
}

/* 底部 */
#foot {
    background-color: #66C5B4;
}

#foot .container {
    height: 54px;
    line-height: 54px;
    font-size: 12px;
    color: white;
}

#foot div a {
    color: white;
    margin: 0 10px;
}